
Koki Mitani
- Known for
- Writing
- Born
- July 8, 1961
- Birthplace
- Setagaya, Tokyo, Japan
Kōki Mitani (三谷 幸喜, Mitani Kōki; born July 8, 1961) is a Japanese playwright, screenwriter, actor and film director. He studied dramatics at Nihon University. He has been described by The Japan Times as "far and away the nation's best-known dramatist". In 2023, Mitani was the recipient of the 15th annual Juzo Itami Award.
Filmography

荻野清子GoGoコンサート~三谷幸喜を歌おう~ TBA
Actor

新宿発8時15分 2026
Writer, Director

いのこりぐみ 2026
Director, Writer

三谷文楽「人形ぎらい」 2025
Director, Writer

Oi, Dazai 2025
Director, Writer

昭和から騒ぎ 2025
Director

蒙古が襲来 2025
Director, Writer

All About Suomi 2024
Director, Writer

90 Years Old – So What? 2024
as Taxi driver

Warai no daigaku 2023
Writer, Director

VAMP SHOW 2022
Writer

72nd NHK Kōhaku Uta Gassen 2021
Actor

What Happened to Our Nest Egg!? 2021
as Moriguchi

Promise of Death 2021
Screenplay

劇場の灯を消すな!PARCO劇場編 2020
Director
- Daichi (Social Distancing Version)
Daichi (Social Distancing Version) 2020
Stage Director, Theatre Play

Hit Me Anyone One More Time 2019
Screenplay, Director

The Murder of Kuroido 2018
Screenplay

Fuunjitachi ~ Rangaku Kakumei-hen 2018
Screenplay

Galaxy Turnpike 2015
Director, Writer

Murder on the Orient Express 2015
Screenplay

Jekyll & Hyde & Tears & Liquor 2014
Script, Stage Director

Airport 2013 2014
Writer, Director

The Kiyosu Conference 2013
Director, Screenplay, Original Story

A Flawless Concierge 2011
as The Film Director, Screenplay, Director

三谷幸喜「short cut」 2011
Director

A Ghost of a Chance 2011
Director, Screenplay

Tales of the Bizarre 20th Anniversary Spring Special: Popular Episode Competition 2010
Actor

東京サンシャインボーイズ『returns』 2009
Director, Writer

Furuhata Chugakusei 2008
Screenplay

The Magic Hour 2008
Director, Screenplay

The Fearless Otojiro's Company 2007
Director, Writer

Murder of the Inugami Clan 2006
as Nasu Hoteru Shujin

Suite Dreams 2006
Director, Screenplay

Furuhata Ninzaburo Final: Last Dance 2006
Writer

Furuhata Ninzaburo Final: A Fair Murderer 2006
Writer

Furuhata Ninzaburo The Resurrection Of Death 2006
Writer

新選組!! 土方歳三 最期の一日 2006
Writer

University of Laughs 2004
Screenplay, Original Story

All By His Excellency's Work 2004
Writer

Ryoma's Wife, Her Husband and Her Lover 2002
Actor, Theatre Play, Screenplay

Vamp Show 2001
Writer

All About Our House 2001
Director, Screenplay

Round About Midnight 1999
as Man Watching TV

The Terror of Dr. Kuroiwa 1999
Writer

Furuhata Ninzaburo vs SMAP 1999
Screenplay

Welcome Back, Mr. McDonald 1997
Screenplay, Director, Theatre Play
- Warai no Daigaku
Warai no Daigaku 1997
Original Story, Screenplay

The Disappearance of Furuhata Ninzaburo 1996
Writer

A Brief Parting 1996
Writer

The Laughing Kangaroo 1995
Writer

The Show Must Go On 1994
Director, Writer

The Gentle 12 1991
Screenplay, Theatre Play

After All, I Love Cats the Three Onda Sisters’ Great Kyoto Troubles 1990
Screenplay
Credits from TMDB.